2565264562 has 12 divisors (see below), whose sum is σ = 4476125070. Its totient is φ = 1099399056.

The previous prime is 2565264551. The next prime is 2565264643. The reversal of 2565264562 is 2654625652.

2565264562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2535223201 + 30041361 = 50351^2 + 5481^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13087987 + ... + 13088182.

Almost surely, 2^2565264562 is an apocalyptic number.

2565264562 is a deficient number, since it is larger than the sum of its proper divisors (1910860508).

2565264562 is a wasteful number, since it uses less digits than its factorization.

2565264562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26176185 (or 26176178 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The square root of 2565264562 is about 50648.4408644531. The cubic root of 2565264562 is about 1368.9178521812.

The spelling of 2565264562 in words is "two billion, five hundred sixty-five million, two hundred sixty-four thousand, five hundred sixty-two".